221544440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5393}}^1$

素因数の和:5496

約数の個数: 64

約数和(自身を含む): 543715200

約数和(自身を除く): 322170760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 5393, 8216, 10270, 10786, 20540, 21572, 26965, 41080, 43144, 53930, 70109, 107860, 140218, 215720, 280436, 350545, 426047, 560872, 701090, 852094, 1402180, 1704188, 2130235, 2804360, 3408376, 4260470, 5538611, 8520940, 11077222, 17041880, 22154444, 27693055, 44308888, 55386110, 110772220, 221544440]

約数ペア:

[(1, 221544440), (2, 110772220), (4, 55386110), (5, 44308888), (8, 27693055), (10, 22154444), (13, 17041880), (20, 11077222), (26, 8520940), (40, 5538611), (52, 4260470), (65, 3408376), (79, 2804360), (104, 2130235), (130, 1704188), (158, 1402180), (260, 852094), (316, 701090), (395, 560872), (520, 426047), (632, 350545), (790, 280436), (1027, 215720), (1580, 140218), (2054, 107860), (3160, 70109), (4108, 53930), (5135, 43144), (5393, 41080), (8216, 26965), (10270, 21572), (10786, 20540)]